US Bridges

County Highway over Stream

GoodPosted for load

Boone County, Nebraska · 1N 4W Petersburg · Structure no. C000631510

Built
1935
90 years old, rebuilt 1995
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stream is a steel stringer/multi-beam or girder carrying County Highway over Stream in Boone County, Nebraska. It was built in 1935 and reconstructed in 1995, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 59 by 2041. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesCounty Highway
CrossesStream
Location1N 4W Petersburg
RouteCounty Highway 315
CountyBoone County
StateNebraska
Coordinates41.8717, -98.1617
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.9 US tons
Inventory rating18.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Stream built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1995.

What condition is County Highway over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does County Highway over Stream carry?

About 35 vehicles per day (2003 count).

How long is County Highway over Stream?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns County Highway over Stream?

It is owned by the County Highway Agency.